today, the streets of copley square are, once again, open. and the injured are heeling from the blast that changed their lives forever. >> we're lucky to be alive. >> adrian davis was watching the marathon with her husband, air force captain, adam davis, who served in afghanistan. >> how close were you to the second explosion? >> i was right in front of it. right in front of the business where it was. so i felt the direct impact. >> when the first explosion went off, what did you think? >> there was this silence. and i thought -- i clung to adam, me husband. and i thought, you know, there's going to be another explosion. and as soon as i thought that, i started saying oh no, oh no, oh, no. you just have no idea where it's going to come from. and then, all of the sudden, i was blown in the air and landed almost in a pretzel with him. >> and i said i think we're okay. and i couldn't believe it.